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big bolus not work, but small one does #2
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Ahh, I like the green 3D printed parts. Looks nice! The problem may actually be, the motor is able to turn at low speeds, but If this is the case, here are two things to try:
Good luck :) On Sun, Dec 28, 2014 at 9:48 PM, Liang Cai [email protected] wrote:
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Ahh, my mistake; the "motorSpeed" parameter is no longer used. Try instead, On Mon, Dec 29, 2014 at 12:32 AM, Theo Walker [email protected] wrote:
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Oh wait! There's an even more likely cause. You may have your stepper motor Here are instructions for which stepper motor wires to use: Using an ohmMeter, pick one wire at random, and test it with the others On Mon, Dec 29, 2014 at 12:36 AM, Theo Walker [email protected] wrote:
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The wiring was correct. I checked as you suggested with a ohmMeter. Then, I tried to turn the potentiometer on the driver :-( Now, even 0.05 cannot drive it now. What is worth - I tried to reverse turning the potentiometer, it didn't help. |
Hmm, very curious. Yes, you can command the pump via serial with no LCD On Tue, Dec 30, 2014 at 1:18 AM, Liang Cai [email protected] wrote:
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Hi Naroom, In my case if Bolus size is more than 5 mL, then whole code is hanging. My LCD pad is not updating. I have even tried with serial commands. If I use 5000 (which means 5 mL in your code) and then + or -, my LCD is not updating. For all the values below 5000, it is working. Please let me know, where it I am going wrong. |
Hi Naroom, Now the code is working perfectly. Anyways, many thanks for providing a very good hardware plus software solution for open syringe pump. |
Thanks a lot for the wiring diagram.
Now, I got it work for 0.05ml bolus, however, the 0.5ml did not. I recorded a video to show that, http://youtu.be/-8VQIqMVVSU . Any suggestion?
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